Pith Number

pith:HSXE3IEJ

pith:2019:HSXE3IEJ2YZV6MF2TZLRS7GDJ7

not attested not anchored not stored refs pending

Beyond the linear analysis of stability in higher derivative gravity with the Bianchi-I metric

Grigori Chapiro, Ilya L. Shapiro, Simpliciano Castardelli dos Reis

arxiv:1903.01044 v3 · 2019-03-04 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSXE3IEJ2YZV6MF2TZLRS7GDJ7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Conditions for positivity of energy in superrenormalizable polynomial gravity

Receipt and verification

First computed	2026-07-05T00:03:32.910517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cae4da089d6335f30ba9e57197cc34fde8a5ae7d2de76fe3070dd9bdca8abb4

Aliases

arxiv: 1903.01044 · arxiv_version: 1903.01044v3 · doi: 10.48550/arxiv.1903.01044 · pith_short_12: HSXE3IEJ2YZV · pith_short_16: HSXE3IEJ2YZV6MF2 · pith_short_8: HSXE3IEJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HSXE3IEJ2YZV6MF2TZLRS7GDJ7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3cae4da089d6335f30ba9e57197cc34fde8a5ae7d2de76fe3070dd9bdca8abb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "344db1085bfe4afd0f892a3600d59991e0bbedd685f6372c631a19f09bdbd065",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-04T02:10:29Z",
    "title_canon_sha256": "f51f7ff426feeff2264a46c661e7da6d80dd70e8b8457536d02af0e02b6328d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01044",
    "kind": "arxiv",
    "version": 3
  }
}